// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "CaeJsonUtil.h"

std::string CaeJsonUtil::GetJSONString(cJSON *root, const char *key)
{
    cJSON *item = cJSON_GetObjectItem(root, key);
    const char *value = (item == nullptr ? "" : item->valuestring);
    return (value == nullptr ? std::string() : std::string(value));
}